Where does “สะพานลอย” come from?

สะพานลอย (Thai) comes from Thai สะพาน, from Angkorian Old Khmer ស្វាន, from Sanskrit श्वान, from Sanskrit श्वन्, from Proto-Indo-Aryan śwā́, from Proto-Indo-Iranian ćwā́, from Proto-Indo-European ḱwṓ — dog.

สะพานลอย (Thai): footbridge

Definitions

  1. footbridge

Ancestry of “สะพานลอย”, step by step

สะพานลอย traces back through two separate lines of ancestry.

via Thai สะพาน

StepLanguageWordMeaning
1Thaiสะพานbridge
2Angkorian Old Khmerស្វានfootbridge; bridge
3Sanskritश्वानdog
4Sanskritश्वन्a dog, hound, cur
5Proto-Indo-Aryanśwā́—
6Proto-Indo-Iranianćwā́dog
7Proto-Indo-Europeanḱwṓdog

via Thai ลอย

StepLanguageWordMeaning
1Thaiลอยto float
2Proto-Tailoːjᴬto swim
Every word from Proto-Indo-European ḱwṓ →Every word from Proto-Indo-Iranian ćwā́ →Every word from Proto-Indo-Aryan śwā́ →